Nails are sometimes coated with zinc to protect them from corrosion.
Answer the following statement true (T) or false (F)
True
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Alternating current frequency is measured in:
A) Watts. B) Amps. C) Volts. D) Hertz.
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In acoustic emission testing, vibrations are detected by a transducer after a machine part has been subject to the
release of _____. a. sparks b. lubricant c. sound d. energy
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The heat in the combustion chamber is reflected and concentrated by the
A) Reflector B) Concentrator C) Heat exchanger D) Refractory
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Voltage dividers are essentially ____ circuits with ____ loads.
A. series; parallel B. parallel; series C. series-parallel; parallel D. series-parallel; series
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